[controller] Add NFSStorageClass CRD (#3)

Signed-off-by: v.oleynikov <[email protected]>

crds/doc-ru-nfsstorageclass.yaml

@@ -0,0 +1,60 @@
+spec:
+  versions:
+    - name: v1alpha1
+      schema:
+        openAPIV3Schema:
+          description: |
+            Интерфейс управления StorageСlass для CSI-драйвера nfs.csi.storage.deckhouse.io. Ручное создание StorageClass для данного драйвера запрещено.
+          properties:
+            spec:
+              properties:
+                server:
+                  description: |
+                    Настройки сервера NFS
+                  properties:
+                    host:
+                      description: |
+                        Адрес NFS сервера
+                    share:
+                      description: |
+                        Путь к точке монтирования на NFS сервере
+                    nfsVersion:
+                      description: |
+                        Версия NFS сервера
+                options:
+                  description: |
+                    Опции монтирования
+                  properties:
+                    mountMode:
+                      description: |
+                        Режим монтирования NFS раздела
+                    timeout:
+                      description: |
+                        Таймаут NFS сервера
+                    retransmissions:
+                      description: |
+                        Количество попыток подключения к NFS серверу
+                    readOnly:
+                      description: |
+                        Монтирование в режиме "только чтение"
+                chmodPermissions:
+                  description: |
+                    Права монтирования субдиректории в NFS разделе
+                reclaimPolicy:
+                  description: |
+                    Режим поведения при удалении PVC. Может быть:
+                    - Delete (При удалении PVC будет удален PV и данные на NFS-сервере)
+                    - Retain (При удалении PVC не будут удалены PV и данные на NFS-сервере, потребуют ручного удаления пользователем)
+                volumeBindingMode:
+                  description: |
+                    Режим создания тома. Может быть Immediate (запрос при создании PVC) или WaitForFirstConsumer (до появления первого Pod)
+            status:
+              properties:
+                phase:
+                  description: |
+                    Общее текущее состояние StorageClass. Может быть: 
+                    - Failed (если контроллер получил некорректную конфигурацию ресурса или возникли ошибки в процессе выполнения операции)
+                    - Created (если StorageClass создан успешно)
+                reason:
+                  description: |
+                    Дополнительная информация о текущем состоянии StorageClass.

crds/nfsstorageclass.yaml

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+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: nfsstorageclasses.storage.deckhouse.io
+  labels:
+    heritage: deckhouse
+    module: storage
+spec:
+  group: storage.deckhouse.io
+  scope: Cluster
+  names:
+    plural: nfsstorageclasses
+    singular: nfsstorageclass
+    kind: NFSStorageClass
+    shortNames:
+      - nsc
+  preserveUnknownFields: false
+  versions:
+    - name: v1alpha1
+      served: true
+      storage: true
+      schema:
+        openAPIV3Schema:
+          type: object
+          description: |
+            NFSStorageClass is a Kubernetes Custom Resource that defines a configuration for a Kubernetes Storage class.
+          required:
+            - spec
+          properties:
+            spec:
+              type: object
+              description: |
+                Defines a Kubernetes Storage class configuration.
+              required:
+                - server
+              properties:
+                server:
+                  type: object
+                  description: |
+                    Defines a Kubernetes Storage class configuration.
+                  required:
+                    - host
+                    - share
+                    - nfsVersion
+                  properties:
+                    host:
+                      type: string
+                      x-kubernetes-validations:
+                        - rule: self == oldSelf
+                          message: Value is immutable.
+                      description: |
+                        NFS server host
+                    share:
+                      type: string
+                      x-kubernetes-validations:
+                        - rule: self == oldSelf
+                          message: Value is immutable.
+                      description: |
+                        NFS server share path
+                    nfsVersion:
+                      type: string
+                      x-kubernetes-validations:
+                        - rule: self == oldSelf
+                          message: Value is immutable.
+                      description: |
+                        NFS server version
+                      enum:
+                        - "3"
+                        - "4.1"
+                        - "4.2"
+                options:
+                  type: object
+                  description: |
+                    Storage class mount options
+                  properties:
+                    mountMode:
+                      type: string
+                      description: |
+                        NFS share mount mode
+                      enum:
+                        - hard
+                        - soft
+                    timeout:
+                      type: integer
+                      description: |
+                        NFS server timeout
+                    retransmissions:
+                      type: integer
+                      description: |
+                        NFS retries before fail
+                    readOnly:
+                      type: boolean
+                      description: |
+                        Share read-only flag
+                chmodPermissions:
+                  type: string
+                  description: |
+                    chmod rights for PVs subdirectory
+                reclaimPolicy:
+                  type: string
+                  x-kubernetes-validations:
+                    - rule: self == oldSelf
+                      message: Value is immutable.
+                  description: |
+                    The storage class's reclaim policy. Might be:
+                    - Delete (If the Persistent Volume Claim is deleted, deletes the Persistent Volume and its associated storage as well)
+                    - Retain (If the Persistent Volume Claim is deleted, remains the Persistent Volume and its associated storage)
+                  enum:
+                    - Delete
+                    - Retain
+                volumeBindingMode:
+                  type: string
+                  x-kubernetes-validations:
+                    - rule: self == oldSelf
+                      message: Value is immutable.
+                  description: |
+                    The storage class's volume binding mode. Might be Immediate or WaitForFirstConsumer
+                  enum:
+                    - Immediate
+                    - WaitForFirstConsumer
+            status:
+              type: object
+              description: |
+                Displays current information about the Storage Class.
+              properties:
+                phase:
+                  type: string
+                  description: |
+                    The Storage class current state. Might be: 
+                    - Failed (if the controller received incorrect resource configuration or some errors occurred during the operation)
+                    - Create (if everything went fine)
+                  enum:
+                    - Failed
+                    - Created
+                reason:
+                  type: string
+                  description: |
+                    Additional information about the current state of the Storage Class.
+      subresources:
+        status: {}